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I am plotting a heatmap on R which also outputs dendrograms (horizontally and vertically). I would like to add the scale on the horizontal dendrogram (similar to horizontal dendrogram in R with labels) so as to help me choose the cut off but keeping the heatmap. Is there a way to do this?

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bigTree
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    This might be tricky with the plain-vanilla `heatmap()`-function, because it comes with a specific `add.expr`-parameter that can be used to decorate the main matrix, but I see no comparable means to graphically complement the dendrograms... – texb Apr 25 '14 at 10:34
  • Just a heads up that a lot of us will ignore posts that do not have a reproducible example. – IRTFM Apr 25 '14 at 18:55

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